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OLpur® MD220 Hemodiafilter

The OLpur® MD220 Hemodiafilter (HDF Filter) is very similar to a typical hollow fiber dialyzer assembled with a single hollow fiber bundle made with a high-flux (or high-permeability) membrane. The fiber bundle is separated into two discrete, but serially connected blood paths. Dialysate flows in one direction that is counter-current to blood flow in Stage 1 and co-current to blood flow of Stage 2.